HTTP 300 Multiple Choices vs 505 HTTP Version Not Supported
HTTP 300 (Multiple Choices) is a 3xx Redirection response, while 505 (HTTP Version Not Supported) is a 5xx Server Error response. 300 indicates that the request has more than one possible response. The client should choose one of them. In contrast, 505 means that the server does not support the HTTP version used in the request.
Description
The request has more than one possible response. The client should choose one of them.
When You See It
When a resource is available in multiple formats (e.g., different languages or media types).
How to Fix
Select the appropriate resource variant. Send an Accept header with your preferred content type.
Description
The server does not support the HTTP version used in the request.
When You See It
When a client uses an HTTP version the server doesn't support.
How to Fix
Use a supported HTTP version (typically HTTP/1.1 or HTTP/2).
Key Differences
300 is a 3xx Redirection response, while 505 is a 5xx Server Error response.
HTTP 300: The request has more than one possible response. The client should choose one of them.
HTTP 505: The server does not support the HTTP version used in the request.
You encounter 300 when when a resource is available in multiple formats (e.g., different languages or media types).
You encounter 505 when when a client uses an HTTP version the server doesn't support.
When to Use Which
For 300 (Multiple Choices): Select the appropriate resource variant. Send an Accept header with your preferred content type. For 505 (HTTP Version Not Supported): Use a supported HTTP version (typically HTTP/1.1 or HTTP/2).